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stich3 [128]
3 years ago
13

Which statement is true about the graphs of the two lines y= -8x-5/4 and y= 1/8x+4/5?

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

The lines are perpendicular to each other because -8 and \frac{1}{8} are opposite reciprocals of each other.

Step-by-step explanation:

The  first line has equation y=-8x-\frac{5}{4}.

The slope of this equation is -8.

The second equation is y=\frac{1}{8}x+\frac{4}{5}

The slope of this equation is \frac{1}{8}

The two slopes are negative reciprocals of each other.

This means that the two lines are perpendicular.

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On his drive from Montpelier, Vermont, to Columbia, South Carolina, Arthur averaged 51 mph. If he had been able to average 60 mp
Llana [10]

Answer:

Distance between Montpelier and Columbia is 1020

Step-by-step explanation:

51 mi/hr average:

d = 51 t  

60 mi/hr average:

d t = 60*(t-3)

Substitute (1) into (2)  

   51 t =  60*(t-3)

   51 t =  60 t + 180

   9 t  =  180

   t    =   20

d = 51 t

   = 51 (20)

   = 1020

let see distance is 1020 lets check

51 t = 60 * (t-3)

51 (20)= 60* (20-3)

1020   = 60*17

1020 = 1020

4 0
3 years ago
Multiple choice please help!!
AveGali [126]

3 and 4

Step-by-step explanation:

y=5x

y=5(0)

y=0

y=5x

y=5(10)

y=50

y=5x

y=5(51)

y=255

y=5x

y=5(400)

y=2000

5 0
3 years ago
What would be the length and width of a 50" TV that has an aspect ratio of 4:3?
Reika [66]

Check the picture below.

4 0
2 years ago
Find the measure of Angle 5. . . measure of angle 7 = 2x+15. measure of angle 8 = 3x.
Fed [463]
There exists the same question with an attachment where angle 8 and 7 are supplementary and angle 7 and 5 are vertical angles. From this, the equation that we may derive from the given is,
                              (2x + 15) + (3x) = 180
The value of x is 33. Substitute this value to x of angle 7, 2(33) + 15 = 81. Thus, the measure of angle 5 is also 81 degrees. 
3 0
3 years ago
Ok so, 1, 5, 17, and 53. What's my rule?
Dimas [21]
Ok so, to get the next term, triple the last one you have and add  2.
3 0
3 years ago
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